U4 Review Applied

Trends

100

What is the periodic table arranged by?

Atomic Number

200

What happens to valence electrons moving down a group?

They stay the same

300

Who made the periodic table?

Dimitri Mendeleev

400

What happens to electron shells moving down a group?

They increase by 1

500

What happens to electron shells moving across a group?

they stay the same

Bonds/Properties

100

Name 4 properties of nonmetals

Brittle

Nonconductive

Not reactive with acid

Insulators

Dull colors

200

Name 2 similarities between metalloids and metals

Luster

Reactive with acid

type of bond

300

What is the electronegativity difference between polar and nonpolar covalent bonds?

Nonpolar: 0-0.4

Polar 0-0.4

400

What are the two bond compositions for ionic bonds? HINT: Think about charges for the second

Metal-Nonmetal

Cation-Anion

500

Which bond is polar? H₂O or BH₃?

H₂0

Random Fun!

100

What does it mean about sharing of electrons if something is polar?

They are shared unequally

200

What type of bond shares electrons, and which type transfers?

Covalent: Shares

Ionic: Transfers

300

State: The PHASES in which metals conduct, and how they do so.

The PHASES in which IONIC COMPOUNDS conduct, and how they do so.

Metals: Solid and Liquid, Mobile sea of electrons

Ionic: Liquid ONLY, Mobile Ions

400

What is the difference between malleability and ductility?

Malleable: Can change shape.

Ductile: Dan be drawn into a wire.

500

Name the following compound: C₇H₁₀

heptacarbon decahydride